OT-2026-000020615
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000020615) never changes.
Identity and time
| Publication number | OT-2026-000020615 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e1-78f2-aaec-f9b05c8055e7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020615 |
| Status | PUBLIC |
Content hashes
| Canonical text | 30237d674dc91843cb3d04b934123cc227a69e3e15535733018acacd70d3de7c |
|---|---|
| Markdown | 7ff33b16392811d7b3a0136197caba1f62a2cf427d8b6df2dab66b46f6870946 |
| Publication page | 47df55f0eac9bb39969b29d0940e9c45966c579ad348f7558fb483cb2b1fe305 |
| Manifest | f2956026a2c8935a4bd504baa123b6a3bc311bef1c41919ed0902f6f6de4ba7f |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | k30hTQyRSqIskgvv1E6EM5GkxuSDxw1R9f1IX2p5fIzxoa1UBGmi1QxsdYXcgCLWhbkrv2ho4F5d1mw1t1iZDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:55:33.616916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020615observed 47df55f0eac9bb39969b29d0940e9c45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:33.598743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020615/manifest.jsonobserved f2956026a2c8935a4bd504baa123b6a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:33.581335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020615/publication.mdobserved 7ff33b16392811d7b3a0136197caba1f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:33.564388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020615/publication.txtobserved 30237d674dc91843cb3d04b934123cc2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|